Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
The oscillating electric and magnetic vectors of an electromagnetic wave are oriented along
08
Sep
The oscillating electric and magnetic vectors of an electromagnetic wave are oriented along The oscillating electric and magnetic vectors of an electromagnetic wave are oriented along September 8, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The 21 cm radio wave emitted by hydrogen in interstellar space is due to the interaction is atomic hydrogen. the energy of the emitted wave is nearly
08
Sep
The 21 cm radio wave emitted by hydrogen in interstellar space is due to the interaction is atomic hydrogen. the energy of the emitted wave is nearly The 21 cm radio wave emitted by hydrogen in interstellar space is due to the interaction is atomic hydrogen. the energy of the emitted wave is nearly September [...]
In an electromagnetic wave, the electric and magnetising fields are 100 Vm/s and 265 Am/s. The maximum energy flows is
08
Sep
In an electromagnetic wave, the electric and magnetising fields are 100 Vm/s and 265 Am/s. The maximum energy flows is In an electromagnetic wave the electric and magnetising fields are 100 Vm/s and 265 Am/s. The maximum energy flows is September 8, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
In an apparatus, the elec tric field was found to oscillate with an amplitude of 18 V/m. The magnitude of the oscillation magnetic field will be
08
Sep
In an apparatus, the elec tric field was found to oscillate with an amplitude of 18 V/m. The magnitude of the oscillation magnetic field will be In an apparatus the elec tric field was found to oscillate with an amplitude of 18 V/m. The magnitude of the oscillation magnetic field will be September 8, 2020 [...]
According to maxwell’s hypothesis , a changing electric field gives rise to
08
Sep
According to maxwell’s hypothesis , a changing electric field gives rise to a changing electric field gives rise to According to maxwell's hypothesis September 8, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Given below are some famous numbers associated with electromagnetic radiations in different contexts in physics. State the part of the electromagnetic spectrum to which each belongs. (a) 21 cm (wavelength emitted by atomic hydrogen in interstellar space). (b) 1057 MHz (frequency of radiation arising from two close energy levels in hydrogen, known as Lamb shift). (c) 2.7 K [temperature associated with the isotropic radiation filling all space-thought to be a relic of the ‘big-bang’ origin of the universe]. (d) 5890Aˆ−5896Aˆ (double lines of sodium] (e) 14.4keV energy of a particular transition in .57Fe nucleus associated with a famour high resolution spectroscopic method (mossbauer spectroscopy).
08
Sep
Given below are some famous numbers associated with electromagnetic radiations in different contexts in physics. State the part of the electromagnetic spectrum to which each belongs. (a) 21 cm (wavelength emitted by atomic hydrogen in interstellar space). (b) 1057 MHz (frequency of radiation arising from two close energy levels in hydrogen, known as Lamb shift). [...]
About 5 percent of the power of a 100 W light bulb is converted to visible radiation. what is the average intensity of visible radiation a) at a distance of 1 m from the bulb ? b) at a distance of 10 m ? assume that the radition is emitted isotrophically and neglect reflection.
08
Sep
About 5 percent of the power of a 100 W light bulb is converted to visible radiation. what is the average intensity of visible radiation a) at a distance of 1 m from the bulb ? b) at a distance of 10 m ? assume that the radition is emitted isotrophically and neglect reflection. and [...]
Suppose that the electric field part of an electromagnetic wave in vacuum is E=(3.1N/C)cos[(1.8rad/m)y+(5.4×10 6 rad/s)t] i ^ (a) What is the direction of propagation? (b) What is the wavelength λ ? (c) What is the frequency v? (d) What is the amplitude of the magnetic field part of the wave? (e) Write an expression for the magnetic field part of the wave.
08
Sep
Suppose that the electric field part of an electromagnetic wave in vacuum is E=(3.1N/C)cos[(1.8rad/m)y+(5.4×10 6 rad/s)t] i ^ (a) What is the direction of propagation? (b) What is the wavelength λ ? (c) What is the frequency v? (d) What is the amplitude of the magnetic field part of the wave? (e) Write an expression [...]
Suppose that the electric field amplitude of an electronomagnetic wave is Eo = 120 N/C and that its frewquency is v = 50 MHz. (a) Determine Bo, omega,K, and lamda . (b) Find expression for E and B.
08
Sep
Suppose that the electric field amplitude of an electronomagnetic wave is Eo = 120 N/C and that its frewquency is v = 50 MHz. (a) Determine Bo, omega,K, and lamda . (b) Find expression for E and B. and lamda.(b) Find expression for E and B. K omega Suppose that the electric field amplitude of [...]
The fol.lowing figure shows capacitor made of two circular plates. The capacitor is being charged by an external source which supply constant current equal to 15 A. Obtain displacement charged by constant current across plates. Given dv / dt = 1.87 x 10^9 V /s
08
Sep
The fol.lowing figure shows capacitor made of two circular plates. The capacitor is being charged by an external source which supply constant current equal to 15 A. Obtain displacement charged by constant current across plates. Given dv / dt = 1.87 x 10^9 V /s and radio waves of wave length 500 m? What physical [...]